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Python List Equality | Program to check if two given matrices are identical

  • Difficulty Level : Basic
  • Last Updated : 21 Nov, 2018

We are given two square matrices of same order. Check if two given matrices are identical.

Examples:

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Input :     A = [ [1, 1, 1, 1],
                  [2, 2, 2, 2],
                  [3, 3, 3, 3],
                  [4, 4, 4, 4]]
 
            B = [ [1, 1, 1, 1],
                  [2, 2, 2, 2],
                  [3, 3, 3, 3],
                  [4, 4, 4, 4]]

Output:    Matrices are identical

We have existing solution for this problem please refer C Program to check if two given matrices are identical link. In python any iterable object is comparable so we can solve this problem quickly in python with the help of List Equality.




# Function to check if two given matrices are identical
  
def identicalMatrices(A,B):
  
     if A==B:
        print ('Matrices are identical')
     else:
        print ('Matrices are not identical')
  
# Driver program
if __name__ == "__main__":
    A = [ [1, 1, 1, 1],
          [2, 2, 2, 2],
          [3, 3, 3, 3],
          [4, 4, 4, 4]]
   
    B = [ [1, 1, 1, 1],
          [2, 2, 2, 2],
          [3, 3, 3, 3],
          [4, 4, 4, 4]]
    identicalMatrices(A,B)

Output:

Matrices are identical



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